Add & subtract multiples of 10 within 40
Add & subtract multiples of 10 within 40
$0.99
1.NBT.4, 1.NBT.5
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About This Sprint
Add multiples of ten to 2-digit numbers.
Subtract multiples of ten from 2-digit numbers.
1.NBT.4, 1.NBT.5
Add multiples of ten to 2-digit numbers.
Subtract multiples of ten from 2-digit numbers.